Maintenance Code (Cont) - TM-55-4920-411-13-P0059

TM 55-4920-411-13&P

Code

Application/Explanation

-Crew or operator maintenance done within organizational or

aviation unit maintenance.

-Organizational or aviation unit category can remove, replace, and

use the item.

-Direct support or aviation intermediate level can remove, replace,

and use the item.

-General support level can remove, replace, and use the item.

-Specialized repair activity can remove, replace, and use the item.

-Depot level can remove, replace, and use the item.

(b) The maintenance code entered in the fourth position tells whether or not the item is to be

repaired and identifies the lowest, maintenance level with the capability to do complete repair (i.e., perform

all authorized repair functions). (NOTE: Some limited repair may be done on the item at a lower level of

maintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR codes.) This position will

contain one of the following maintenance codes.

CODE

Application/Explanation

-Organizational or (aviation unit) is the lowest level that can do

complete repair of the item.

-Direct support or aviation intermediate is the lowest level that can

do complete repair of the item.

-General support is the lowest level that can do complete repair of

the item.

-Specialized repair activity (designate the specialized repair activity)

is the lowest level that can do complete repair of the item.

-Depot is the lowest level that can do complete repair of the item.

-Nonreparable. No repair is authorized,

-No repair is authorized. (No parts or special tools are authorized for

the maintenance of a "B" coded item). However, the item may be

reconditioned by adjusting, lubricating, etc., at the user level.

Change 1

C-4